diff --git a/src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.cpp b/src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.cpp
index 37b475b7e6..b4ed4468d8 100644
--- a/src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.cpp
+++ b/src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.cpp
@@ -61,7 +61,9 @@ void EditModeInformationOverlayCoinConverter::convert(const Part::Geometry* geom
 {
 
     if (geometry->is<Part::GeomBSplineCurve>()) {
-        // at this point all calculations relate to BSplineCurves
+        if (geoid < 0) {
+            return;
+        }
         calculate<CalculationType::BSplineDegree>(geometry, geoid);
         calculate<CalculationType::BSplineControlPolygon>(geometry, geoid);
         calculate<CalculationType::BSplineCurvatureComb>(geometry, geoid);